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Biology · PYQ NEET UG 2022

हिन्दी

Select the incorrect statement regarding synapses:

  1. Chemical synapses use neurotransmitters
  2. Impulse transmission across a chemical synapse is always faster than that across an electrical synapse.
  3. The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse.
  4. Electrical current can flow directly from one neuron into the other across the electrical synapse.

Correct answer · Option 2

Impulse transmission across a chemical synapse is always faster than that across an electrical synapse.

Explanation

Impulse transmission across an electrical synapse is always faster than across a chemical synapse because electrical currents flow directly between neurons.

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